Hourly Weather | Today Tuesday, April 7, 2026
Stamford, Connecticut
6 PM
Cloudy Weather
52°
Feels Like 43°
20
Humidity: 29%
UV Index: 1
Wind: 20 mph
7 PM
Cloudy Weather
48°
Feels Like 37°
13
Humidity: 32%
UV Index: 0
Wind: 20 mph
8 PM
Night
45°
Feels Like 34°
0
Humidity: 35%
UV Index: 0
Wind: 17 mph
9 PM
Night
41°
Feels Like 28°
0
Humidity: 40%
UV Index: 0
Wind: 16 mph
10 PM
Night
37°
Feels Like 25°
0
Humidity: 45%
UV Index: 0
Wind: 16 mph
11 PM
Night
36°
Feels Like 23°
0
Humidity: 48%
UV Index: 0
Wind: 15 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1 µg/m³
  • PM10: 1.67 µg/m³
  • O3: 0.055 ppm
  • NO2: 2 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.87 µg/m³
  • PM10: 1.67 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.82 µg/m³
  • PM10: 1.76 µg/m³
  • O3: 0.049 ppm
  • NO2: 3.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.8 µg/m³
  • PM10: 1.8 µg/m³
  • O3: 0.047 ppm
  • NO2: 3.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.85 µg/m³
  • PM10: 1.94 µg/m³
  • O3: 0.046 ppm
  • NO2: 3.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.89 µg/m³
  • PM10: 2.03 µg/m³
  • O3: 0.045 ppm
  • NO2: 3.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.